CA308205A - Compas de trous de sonde - Google Patents

Compas de trous de sonde

Info

Publication number
CA308205A
CA308205A CA308205A CA308205DA CA308205A CA 308205 A CA308205 A CA 308205A CA 308205 A CA308205 A CA 308205A CA 308205D A CA308205D A CA 308205DA CA 308205 A CA308205 A CA 308205A
Authority
CA
Canada
Prior art keywords
drill hole
compass
hole compass
drill
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA308205A
Other languages
English (en)
Inventor
Edwin L. Derby, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ROSE MAAS
Original Assignee
ROSE MAAS
Publication date
Application granted granted Critical
Publication of CA308205A publication Critical patent/CA308205A/fr
Expired legal-status Critical Current

Links

CA308205A Compas de trous de sonde Expired CA308205A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA308205T

Publications (1)

Publication Number Publication Date
CA308205A true CA308205A (fr) 1931-01-27

Family

ID=35261358

Family Applications (1)

Application Number Title Priority Date Filing Date
CA308205A Expired CA308205A (fr) Compas de trous de sonde

Country Status (1)

Country Link
CA (1) CA308205A (fr)

Similar Documents

Publication Publication Date Title
CA308205A (fr) Compas de trous de sonde
CA311013A (fr) Fleuret
CA312287A (fr) Perceuse
CA317876A (fr) Foret
CA312452A (fr) Perforatrice a roc
CA316141A (fr) Foreuse verticale en profondeur
CA315893A (fr) Foreuse a terre
CA315894A (fr) Foreuse a terre
CA309623A (fr) Appareil a forer les puits
CA317567A (fr) Semoir en lignes
CA317188A (fr) Appareil a forer les puits
CA311916A (fr) Mandrin de perforatrice
CA313072A (fr) Tiroir de perforatrice a roc
CA313073A (fr) Tiroir de perforatrice a roc
CA309081A (fr) Boussole
CA310221A (fr) Dispositif d'examen de puits
CA310222A (fr) Dispositif d'examen de puits
CA310223A (fr) Dispositif d'examen de puits
CA310226A (fr) Dispositif d'examen de puits
CA317572A (fr) Outil pour billes
CA312110A (fr) Perceuse portative
CA311338A (fr) Gyroscope de direction d'appareil d'essai des forages
CA309335A (fr) Appareil a forer la terre
CA328168A (fr) Meche a percer
CA323458A (fr) Fleuret